1222245

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 2144376

約数和(自身を除く): 922131

約数列:

[1, 3, 5, 9, 15, 45, 157, 173, 471, 519, 785, 865, 1413, 1557, 2355, 2595, 7065, 7785, 27161, 81483, 135805, 244449, 407415, 1222245]

約数ペア:

[(1, 1222245), (3, 407415), (5, 244449), (9, 135805), (15, 81483), (45, 27161), (157, 7785), (173, 7065), (471, 2595), (519, 2355), (785, 1557), (865, 1413)]